package com.itheima.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.common.R;
import com.itheima.entity.Category;
import com.itheima.service.CategoryService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * @Auther: guozy
 * @Date: 2022/7/30 - 07 - 30 - 19:05
 * @Description: com.itheima.controller
 * @version: 1.0
 */
@Slf4j
@RestController
@RequestMapping("/category")
public class CategoryController {
    @Autowired
    private CategoryService categoryService;

    /**
     * 新增分类
     * @param category
     * @return
     */
    @PostMapping
    public R<String> categoryAdd(@RequestBody Category category){
        log.info("category:{}",category);
        categoryService.save(category);
        return R.success("添加成功");
    }

    /**
     * 分页查询
     * @param page
     * @param pageSize
     * @return
     */
    @GetMapping("/page")
    public R<Page> selectPage(int page,int pageSize){
        log.info("分页查询page={},pageSize={}",page,pageSize);
        // 分页构造器
        Page<Category> categoryPage = new Page<>(page, pageSize);
        // 条件过滤器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        // 排序条件
        lqw.orderByDesc(Category::getSort);
        // 查询
        categoryService.page(categoryPage,lqw);

        return R.success(categoryPage);
    }

    /**
     * 根据id删除
     * @param id
     * @return
     */
    @DeleteMapping
    public R<String> categoryRemoveById(Long id){
        log.info("根据id={}删除",id);
        categoryService.categoryRemove(id);
        return R.success("删除成功");
    }

    /**
     * 修改信息
     * @param category
     * @return
     */
    @PutMapping
    public R<String> categoryUpdata(@RequestBody Category category){
        log.info("修改分类信息{}",category);
        categoryService.updateById(category);
        return R.success("修改成功");
    }

    /**
     * 根据条件查询分类数据
     * @param category
     * @return
     */
    @GetMapping("/list")
    public R<List<Category>> list(Category category){
        log.info("获取菜品分类列表{}",category);
        //构造器
        LambdaQueryWrapper<Category> lqw = new LambdaQueryWrapper<>();
        //添加条件
        lqw.eq(category.getType()!=null,Category::getType,category.getType());
        //添加排序条件
        lqw.orderByDesc(Category::getSort).orderByDesc(Category::getName);
        List<Category> list = categoryService.list(lqw);
        return R.success(list);
    }

}
